{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:B765SWTQJROQMCVSQJVW7BYQA2","short_pith_number":"pith:B765SWTQ","canonical_record":{"source":{"id":"1503.05827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-19T16:24:51Z","cross_cats_sorted":[],"title_canon_sha256":"75d0216542a3cfe99369b38f277509dafae80a3dab880fe2a86641f0d4b5a711","abstract_canon_sha256":"987b67761e05512b36d391f9a91dc4ea854ee8afa3c6b96f15bd82cfcc5aafec"},"schema_version":"1.0"},"canonical_sha256":"0ffdd95a704c5d060ab2826b6f87100686ec51c78bedf3d2ca5afdd4bfaaa716","source":{"kind":"arxiv","id":"1503.05827","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05827","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05827v2","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05827","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"B765SWTQJROQ","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B765SWTQJROQMCVS","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B765SWTQ","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:B765SWTQJROQMCVSQJVW7BYQA2","target":"record","payload":{"canonical_record":{"source":{"id":"1503.05827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-19T16:24:51Z","cross_cats_sorted":[],"title_canon_sha256":"75d0216542a3cfe99369b38f277509dafae80a3dab880fe2a86641f0d4b5a711","abstract_canon_sha256":"987b67761e05512b36d391f9a91dc4ea854ee8afa3c6b96f15bd82cfcc5aafec"},"schema_version":"1.0"},"canonical_sha256":"0ffdd95a704c5d060ab2826b6f87100686ec51c78bedf3d2ca5afdd4bfaaa716","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:39.387736Z","signature_b64":"uBq2ags6824CP5H8BJLdsMcqycFpijSwpLo1w+GvLAj+XydQ7nuiCmzESEY/NaxHbVKJ31HBJlPjpfKRJkbzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ffdd95a704c5d060ab2826b6f87100686ec51c78bedf3d2ca5afdd4bfaaa716","last_reissued_at":"2026-05-18T01:24:39.387268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:39.387268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.05827","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tOpjjr/ySkt8qz9z/n4A/4/FrRlhbCZ0XWJH2tXCDIfIivAdiT/DdmLtRGYWrkxcVZgJp2b3xlLbwM9MtMtPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:31:28.589741Z"},"content_sha256":"ae2f08561c6e91613a99f0ce149a61c265146cba12f6bf8234e5bc465acd3f99","schema_version":"1.0","event_id":"sha256:ae2f08561c6e91613a99f0ce149a61c265146cba12f6bf8234e5bc465acd3f99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:B765SWTQJROQMCVSQJVW7BYQA2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extension of the basis set of linearized augmented plane wave method (LAPW) by using supplemented tight binding basis functions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.V. Nikolaev, B. Partoens, D. Lamoen","submitted_at":"2015-03-19T16:24:51Z","abstract_excerpt":"In order to increase the accuracy of the linearized augmented plane wave method (LAPW) we present a new approach where the plane wave basis function is augmented by two different atomic radial components constructed at two different linearization energies corresponding to two different electron bands (or energy windows). We demonstrate that this case can be reduced to the standard treatment within the LAPW paradigm where the usual basis set is enriched by the basis functions of the tight binding type, which go to zero with zero derivative at the sphere boundary. We show that the task is closel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05827","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qkj9kUGssWz/h+0lk03pNfDoP2Q6pb7Hx8XMnuJ2qckOuR+dJp1gjIA3U+6YA3rQjmNnxu+nvrLqyA1ZedHTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:31:28.590137Z"},"content_sha256":"7a1e5886dda1bcf4b515a41b6a92eb5527310f46b1bedb6c721fbe05d4ed25b5","schema_version":"1.0","event_id":"sha256:7a1e5886dda1bcf4b515a41b6a92eb5527310f46b1bedb6c721fbe05d4ed25b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B765SWTQJROQMCVSQJVW7BYQA2/bundle.json","state_url":"https://pith.science/pith/B765SWTQJROQMCVSQJVW7BYQA2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B765SWTQJROQMCVSQJVW7BYQA2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T05:31:28Z","links":{"resolver":"https://pith.science/pith/B765SWTQJROQMCVSQJVW7BYQA2","bundle":"https://pith.science/pith/B765SWTQJROQMCVSQJVW7BYQA2/bundle.json","state":"https://pith.science/pith/B765SWTQJROQMCVSQJVW7BYQA2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B765SWTQJROQMCVSQJVW7BYQA2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B765SWTQJROQMCVSQJVW7BYQA2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"987b67761e05512b36d391f9a91dc4ea854ee8afa3c6b96f15bd82cfcc5aafec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-19T16:24:51Z","title_canon_sha256":"75d0216542a3cfe99369b38f277509dafae80a3dab880fe2a86641f0d4b5a711"},"schema_version":"1.0","source":{"id":"1503.05827","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05827","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05827v2","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05827","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"B765SWTQJROQ","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B765SWTQJROQMCVS","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B765SWTQ","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:7a1e5886dda1bcf4b515a41b6a92eb5527310f46b1bedb6c721fbe05d4ed25b5","target":"graph","created_at":"2026-05-18T01:24:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In order to increase the accuracy of the linearized augmented plane wave method (LAPW) we present a new approach where the plane wave basis function is augmented by two different atomic radial components constructed at two different linearization energies corresponding to two different electron bands (or energy windows). We demonstrate that this case can be reduced to the standard treatment within the LAPW paradigm where the usual basis set is enriched by the basis functions of the tight binding type, which go to zero with zero derivative at the sphere boundary. We show that the task is closel","authors_text":"A.V. Nikolaev, B. Partoens, D. Lamoen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-19T16:24:51Z","title":"Extension of the basis set of linearized augmented plane wave method (LAPW) by using supplemented tight binding basis functions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05827","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ae2f08561c6e91613a99f0ce149a61c265146cba12f6bf8234e5bc465acd3f99","target":"record","created_at":"2026-05-18T01:24:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"987b67761e05512b36d391f9a91dc4ea854ee8afa3c6b96f15bd82cfcc5aafec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-19T16:24:51Z","title_canon_sha256":"75d0216542a3cfe99369b38f277509dafae80a3dab880fe2a86641f0d4b5a711"},"schema_version":"1.0","source":{"id":"1503.05827","kind":"arxiv","version":2}},"canonical_sha256":"0ffdd95a704c5d060ab2826b6f87100686ec51c78bedf3d2ca5afdd4bfaaa716","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ffdd95a704c5d060ab2826b6f87100686ec51c78bedf3d2ca5afdd4bfaaa716","first_computed_at":"2026-05-18T01:24:39.387268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:39.387268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uBq2ags6824CP5H8BJLdsMcqycFpijSwpLo1w+GvLAj+XydQ7nuiCmzESEY/NaxHbVKJ31HBJlPjpfKRJkbzAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:39.387736Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.05827","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae2f08561c6e91613a99f0ce149a61c265146cba12f6bf8234e5bc465acd3f99","sha256:7a1e5886dda1bcf4b515a41b6a92eb5527310f46b1bedb6c721fbe05d4ed25b5"],"state_sha256":"f316fe7123192ec68c24021eb6137d74019802414a463993dbcad2f97eac5b6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ivOtq7X7O5sR2ob07+YAa9KyhIuM+D1fGBRw4ybpaJVr2nS9Tw0m6IwXglzQMfpudNMIP63Ve+QkWEiN3JQ+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:31:28.592784Z","bundle_sha256":"b8126ad319947561221f9c1c75c8a0dcd44e7683784ed6705422267577543344"}}